SEC FORM 3 SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
 
OMB APPROVAL
OMB Number: 3235-0104
Estimated average burden
hours per response: 0.5
1. Name and Address of Reporting Person*
HANNEMAN LEROY C

(Last) (First) (Middle)
5241 SPRING MOUNTAIN ROAD

(Street)
LAS VEGAS NV 891500002

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
09/16/2003
3. Issuer Name and Ticker or Trading Symbol
SOUTHWEST GAS CORP [ SWX ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Options (right to buy) 09/16/2004(1) 09/15/2013 Common stock 1,973 22.89 D
Explanation of Responses:
1. The option vests in three annual installments of 789 shares on September 16, 2004; 592 shares on September 16, 2005; 592 on September 16, 2006.
Remarks:
By: Kathy M. Bailey, Attorney in Fact 09/22/2003
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby constitutes and
appoints Kathy M. Bailey,or Suzanne J. Farinas, signing singly, the
undersigned's true and lawful attorney-in-fact to:

(1) execute for and on behalf of the undersigned, in the undersigned's
    capacity as an officer and/or director of Southwest Gas Corporation
    (the "Company"), Forms 3, 4, and 5 in accordance with Section 16(a)
    of the Securities Exchange Act of 1934 and the rules thereunder;

(2) do and perform any and all acts for and on behalf of the undersigned
    which may be necessary or desirable to complete and execute any such
    Form 3, 4, or 5, complete and execute any amendment or amendments
    thereto, and timely file such form with the United States Securities
    and Exchange Commission and any stock exchange or similar authority;
    and

(3) take any other action of any type whatsoever in connection with the
    foregoing which, in the opinion of such attorney-in-fact, may be of
    benefit to, in the best interest of, or legally required by, the
    undersigned, it being understood that the documents executed by such
    attorney-in-fact on behalf of the undersigned pursuant to this Power
    of Attorney shall be in such form and shall contain such terms and
    conditions as such attorney-in-fact may approve in such attorney-
    in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the
rights and powers herein granted, as fully to all intents and purposes as
the undersigned might or could do if personally present, with full power
of substitution or revocation, hereby ratifying and confirming all that
such attorney-in-fact, or such attorney-in-fact's substitute or
substitutes, shall lawfully do or cause to be done by virtue of this
power of attorney and the rights and powers herein granted. The under-
signed acknowledges that the foregoing attorneys-in-fact, in serving in
such capacity at the request of the undersigned, are not assuming, nor
is the Company assuming, any of the undersigned's responsibilities to
comply with Section 16 of the Securities Exchange Act of 1934.

This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4, and 5 with respect
to the undersigned's holdings of and transactions in securities issued by
the Company, unless earlier revoked by the undersigned in a signed
writing delivered to the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of this 18th day of September, 2003.

Signature
LeRoy C. Hanneman
Print Name